The standard way to cook quinoa is to cook in boiling water. You can however cook it in a microwave oven quite easily as this following method shows. These instructions are for a 700watt microwave oven. You will need to adjust your cooking times to suit your equipment.
Measure out one cup of quinoa and 2 cups of water. The size of cup does not matter as long as the proportions are 2 to 1.
Rinse the quinoa under cold water for half a minute to remove any impurities.
Put the water and the quinoa into a microwaveable dish and cover. Put this in your microwave and cook on full power for 3 minutes. Take out of the oven and let it stand for 1 minute. Stir the mixture and then place it back into the microwave for a further 3 minutes on full. The quinoa needs to stand on the kitchen counter for 2 or 3 minutes to finish cooking.